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Price Controls

5. Price Controls. Previously. Equilibrium is determined by the forces of supply and demand. A shortage (excess demand) will occur at prices below the equilibrium. A surplus (excess supply) will occur at prices above the equilibrium.

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Price Controls

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  1. 5 Price Controls

  2. Previously • Equilibrium is determined by the forces of supply and demand. • A shortage (excess demand) will occur at prices below the equilibrium. • A surplus (excess supply) will occur at prices above the equilibrium. • Sliding along a demand or supply curve is caused by a change in the price of the good.

  3. Learning Objectives • To appreciate the differences between price ceilings and price floors. • To understand that all price controls have unintended consequences.

  4. What Are Price Controls? • Price controls • Attempt to set, or manipulate, prices through government involvement in the market • Meant to ease perceived burdens on the population • Price ceiling • Legally established maximum price for a good or service • Price floor • Legally established minimum price for a good or service

  5. Price Controls, Historically • Price controls in ancient Egypt • Farmers revolted and economy collapsed • Price ceiling on grain in ancient Greece • Supply of grain disappeared • Throughout history, price controls • Disrupt the normal functions of the market • Prevent the market from clearing

  6. More Recent Price Controls • 1941: U.S. Office of Price Administration • Price controls after WWII resulted in black markets. • Black markets • Illegal markets that arise when price controlsare in place. • Best known example is Prohibition • Other ways to circumvent price controls • Reducing size or quality of product

  7. Non-binding Price Ceiling

  8. Binding Price Ceiling

  9. Price Ceilings in the Long Run Long run elasticity > short-run

  10. Case Studies on Price Ceilings • Rent control • Price ceiling on apartments or housing • Goal: • Help low-income renters find affordable places to live

  11. Rent Control • Unintended consequences of rent control: • Shortages (Qd > Qs) • Decreases in long-terminvestment in thebuilding of new units • Reduction in quality of apartments • Black markets with higher prices • Landlords “nickel and diming” tenants with fees to increase revenues

  12. Rent Control • Unintended consequences of rent control • “Housing gridlock” • Units are actually harder to find. • Policy often ends up hurting the very people it was supposed to help.

  13. Rent Control in the Short Run and Long Run

  14. Rent Control and the Rich The rich and rent control Massachusetts decided to end rent control in part because only 6% of people in rent-controlled units were poor. Actresses Mia Farrow and Faye Dunaway lived in rent-controlled units for years. Ask: Best allocation of resources? Long-term development issues Cities without rent controls (Dallas, Phoenix) have vacancy rates above 15%. Rent-controlled cities (New York) have vacancy rates around 5%.

  15. Price Gouging • Price gouging laws • Laws that place a temporary ceiling on prices • Usually after a natural disaster or emergency • Consequences • Restricted prices can’t ration efficiently. • Resources may not go where they are needed the most. • Goods that people need disappear due to severe shortages.

  16. Price Gouging

  17. Non-binding Price Floor

  18. Binding Price Floor

  19. Binding Price Floor in the Long Run

  20. Minimum Wage • Minimum wage • The lowest hourly wage rate that firms may legally pay their workers; it functions as a price floor. • Rationale for minimum wage: • Provide a “living wage” • Help the working poorwho are often unskilled

  21. Labor Markets In the supply and demand framework for goods and services: Consumers (all of you) are the demanders of goods Firms (the businesses) are the suppliers (producers) of the goods

  22. Labor Markets In the supply and demand framework for labor: Consumers (all of you) are the suppliers of labor. Firms (the businesses) are the demanders of labor. The axes on a graph of a labor market Wage (W) is the vertical axis. This is the price of labor. Labor (L) is the horizontal axis. This is the number of workers.

  23. Labor Markets The demand curve for labor is downward-sloping. Firms are willing to buy: More labor at low wages Less labor at high wages A simple supply curve for labor is upward-sloping. Individuals are willing to supply: More labor at higher wages Less labor at lower wages

  24. Binding Minimum Wage

  25. Minimum Wage • The unintended consequence of a binding minimum wage is unemployment. Caused by: • Decrease in quantity demanded for labor • Increase in quantity supplied of labor • Firms replacing low-skilled jobs with capital, if possible • Firm relocation to countries without wage laws • Shortening hours for workers • Proponents of minimum wage also advocate • Training, education, job programs

  26. Non-binding Minimum Wage

  27. Remembering Price Controls P S Binding price floor Equilibrium P* Binding price ceiling D Q Q*

  28. Conclusion • Prices act as signals and give information to consumers and producers. • Price controls can distort the signals. • Price control policy should be done with caution.

  29. Summary • A price ceiling is a legally imposed maximum price. • The resulting shortage is problematic. • Prices no longer signal relative scarcity. • Two unintended consequences: a smaller supply of the good (Qs) and a higher price for those who turn to the black market. •  A price floor isa legally imposed minimum price. • The minimum wage is an example of a price floor.

  30. Summary • Price controls leads to unintended consequences as non-price criteria used to allocate scarce goods • Shortages or surpluses • Black markets • Artificial attempts to bring the market back into balance • Discrimination (racial, sexual, …)

  31. Practice What You Know What will be the effect of a non-binding price ceiling? • A surplus will be created. • A shortage will be created. • There will be no effect. • The effect is unknown.

  32. Practice What You Know In the event of a binding price ceiling, what is one function that a black market serves? • reduces the shortage caused by the price ceiling • decreases the price even further • creates a monopoly • causes a surplus of the good

  33. Practice What You Know What is one unintended consequence of rent control? • People in rent-controlled units will relocate more often. • Landlords may not maintain rental units. • Too many apartments will be built, creating a surplus of units. • People will choose not to live in big cities.

  34. Practice What You Know Which of the following is true about labor markets? • The minimum wage is a price ceiling. • Unemployment is a labor shortage. • Firms supply the labor. • None of the above.

  35. Practice What You Know Supply and demand generally become more elastic in the long run. This means that shortages caused by price ceilings _________ in the long run. • disappear completely • become smaller • become larger • become infinitely large

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